Dell U2715Hc User Manual

Troubleshooting | 55
Dell U2715H
mDP Cable
or
Dell U2715H
DP Cable
4.
This box also appears during normal system operation, if the video cable
becomes disconnected or damaged.
5.
Turn Off your monitor and reconnect the video cable; then turn on both your
computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check
your video controller and computer, because your monitor is functioning properly.
Built-in Diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the screen
abnormality you are experiencing is an inherent problem with your monitor, or with
your computer and video card.
NOTE: You can run the built-in diagnostics only when the video cable is
unplugged and the monitor is in self-test mode.
54321

Dell U2715Hc Specifications

General

Screen Size	27 inches
Resolution	2560 x 1440 (QHD)
Panel Type	IPS
Aspect Ratio	16:9
Refresh Rate	60 Hz
Brightness	350 cd/m²
VESA Mount	100 x 100 mm
Color Gamut	99% sRGB
Contrast Ratio	1000:1
Connectivity	HDMI, DisplayPort, Mini DisplayPort, USB 3.0
Viewing Angle	178° (H) / 178° (V)
Color Support	16.7 million colors
Response Time	8 ms (gray to gray)

Summary

About Your Monitor

Product Features

Details the technical specifications and capabilities of the monitor.

Identifying Parts and Controls

Monitor Specifications

Details flat panel, resolution, video modes, electrical, and other technical specifications.

Connector Pin Assignments

Universal Serial Bus (USB) Interface

Describes USB port functionality, speeds, and pin assignments.

Setting Up the Monitor

Attaching the Stand

Instructions for assembling the monitor stand to the display panel.

Connecting Your Monitor

Guides on connecting video and peripheral cables to the monitor and computer.

Wall Mounting (Optional)

Operating the Monitor

Front Panel Controls

On-Screen Display (OSD) Menu

How to navigate and use the monitor's on-screen menu system.

Setting Maximum Resolution

Guide to configure the monitor's highest display resolution in operating systems.

Tilt and Swivel Adjustments

Monitor Rotation

Dual Monitor Setup

System Display Rotation Settings

Troubleshooting

Self-Test

Procedure to diagnose monitor hardware functionality without a computer.

Built-in Diagnostics

Common Problems

Solutions for frequent issues like no video, poor focus, and image distortion.

Product-Specific Problems

Appendix

Safety Instructions

Important warnings regarding safe usage and operation of the monitor.

Contacting Dell Support

Information on how to get technical assistance and support from Dell.

Setting Display Resolution